Influence of Printing Pattern on Bearing Capacity of 3D Printed Concrete Hollow Structures

被引：0
|
作者：
Chen, Zhaohui [1 ,2 ]
Wang, Zhenyue [1 ]
Liao, Minmao [1 ,2 ]
Sun, Junbo [3 ]
Sun, Xiao [1 ]
机构：
[1] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China
[2] Chongqing Univ, China Minist Educ, Key Lab New Technol Construct Cities Mt Area, Chongqing 400045, Peoples R China
[3] Chongqing Univ Liyang, Inst Smart City, Liyang 213300, Peoples R China
来源：
CONSTRUCTION 3D PRINTING, 4-IC3DCP CONFERENCE 2023 | 2024年
关键词：
3D printed concrete; hollow structure; cross-sectional pattern; load-bearing capacity;
D O I：
10.1007/978-3-031-64269-2_4
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this study, four specimens with two cross-section patterns, the W-shape and Y-shape, are printed by using two nozzle sizes to study the effects of the printed patterns and nozzle size on the mechanics properties of 3D Printed Concrete (3DPC) structures. The four-point loading tests are conducted and the Digital Image Correlation (DIC) analysis technology is used. The results showed that the load capacity of the Y-shaped specimens is about 10% higher than that of the W-shaped specimens, and the specimens printed with a smaller nozzle have a load capacity of 15-20% higher. The DIC analysis reveals that the failure modes of the W-shaped and Y-shaped specimens are closely related to the strength of the mid-span nodes.
引用
收藏
页码：26 / 31
页数：6
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